Stephen S. Intille Kent Larson Jennifer Beaudin Jason Nawyn Emmanuel Munguia Tapia Pallavi Kaushik A living laboratory for the design and evaluation of ubiquitous computing technologies. 1941-1944 2005 conf/chi/2005a CHI Extended Abstracts http://doi.acm.org/10.1145/1056808.1057062 db/conf/chi/chi2005a.html#IntilleLBNTK05